These handy footsies socks are hidden when worn with shoes and trainers our freshfeet technology keep feet fresh by combating the bacteria that cause odours style fitliner plan a cotton added stretch freshfeet with silver technology care and composition composition socks 1 5 68 cotton 30 polyamide and 2 elastane socks 2 3 4 79 cotton 18 polyamide and 3 elastane care instructions machine washable tumble dry keep away from fire and flames